Chapter 9-10 Mitosis and Meiosis

A cell biologist carefully measured the quantity of DNA in grasshopper cells growing in cell culture. Cells examined during the G2 phase of the cell cycle contained 200 units of DNA. What would be the amount of DNA at G1 of the cell cycle in one of the grasshopper daughter cells?

100 units

How many different combinations of maternal and paternal chromosomes can be packaged in gametes made by an organism with a diploid number of 8 (2n=8)?

16

How many pairs of autosomes do humans have

22

Down syndrome is characterized by cells having three copies of chromosome 21. As a cell in an individual with Down Syndrome prepares to enter mitosis, how many chromatids would be present

94

You would know a dividing cell was a plant cell rather than an animal cell if you saw that

It had formed a cell plate

Which of the following represents a mismatch or incorrect description

Metaphase: the nuclear envelope disappears

Which of the following processes does not occur in dividing bacteria

Mitosis

Which event occurs during prophase 1

Synapsis of homologous chromosomes

In a male mammal, every cell that undergoes meiosis in the production of gametes gives rise to _____ sperm

four

Which of the following statements is FALSE regarding cells involved in processes of mitosis and meiosis

Haploid cells can divide by meiosis